hat ill be the cnit dayit oP the Sok-the fol lo Îź ing hurtbeng ? – InterviewSolution

1.

hat ill be the cnit dayit oP the Sok-the fol lo Îź ing hurtbeng ?

Answer»

The number 81 contains its unit’s place digit 1. So, square of 1 is 1.

Hence, unit’s digit of square of 81 is 1.

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